397523 has 8 divisors (see below), whose sum is σ = 459360. Its totient is φ = 336960.

The previous prime is 397519. The next prime is 397541. The reversal of 397523 is 325793.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 397523 - 2² = 397519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (397543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 503 + ... + 1023.

It is an arithmetic number, because the mean of its divisors is an integer number (57420).

2³⁹⁷⁵²³ is an apocalyptic number.

397523 is a deficient number, since it is larger than the sum of its proper divisors (61837).

397523 is a wasteful number, since it uses less digits than its factorization.

397523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637.

The product of its digits is 5670, while the sum is 29.

The square root of 397523 is about 630.4942505686. The cubic root of 397523 is about 73.5282258507.

The spelling of 397523 in words is "three hundred ninety-seven thousand, five hundred twenty-three".